Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vai cua » dai cua, hai cua, lai cua
anh vai » anh va, anh bai, anh van
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
va anh » van anh, va danh, va hanh
ve cam » ve cham, va cam, ve cai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) or (sac ky)) nang xa hoi. hieu ((ve cam) OR (ve cac)) tu va anh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) nang xa hoi. hieu ((ve cam) OR (ve cac)) tu va anh vai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) or (sac ky)) nang xa hoi. hieu ((ve cam) OR (ve cac)) tu va anh vai cua triet*".